@pink:pink;
*{
    padding: 0;
    margin: 0;
    div{
        width: 600px;
        height: 300px;
        border: 1px solid #000;
        background: @pink;
        &:hover{
            background: @pink;
        }
    }
    &::after{
        content: "";
        width: 50px;
        height: 50px;
    }
}